Finding the Fourth Proportional to 406,436.25, 560,767.48 and 234,340.68
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Solution
The fourth proportional to 406,436.25, 560,767.48 and 234,340.68 is: 323,324.09
Step by Step Solution
- Step 1: Write the proportion equation
406,436.25 : 560,767.48 = 234,340.68 : x - Step 2: Convert to fraction form
406,436.25/560,767.48 = 234,340.68/x - Step 3: Cross multiply
406,436.25x = 560,767.48 × 234,340.68 - Step 4: Simplify right side
406,436.25x = 131,410,632,585.09 - Step 5: Solve for x
x = 131,410,632,585.09/406,436.25 - Step 6: Final answer
x = 323,324.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.